What was Cheney's part in the 1989 invasion of Panama?

The US military, build up over 40 years of cold war, was suddenly obsolete in its mega size format, as the USSR collapsed. Desperate for justification of the huge forces and the neccesary budgets, the Pentagon has since jumped into ever more controversial mini wars. The first one was Panama, the biggest air invasion since WW2. What was Cheney role in that war, which was a one man hunt for a former CIA agent, and cost by some estimates 5000 civilians lifes.